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Rebase master to b108

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This commit is contained in:
Brian Behlendorf
2009-02-18 12:51:31 -08:00
parent c65e71073f
commit d164b20935
39 changed files with 1091 additions and 739 deletions
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module/zfs/dnode.c
+11 -11
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@@ -19,7 +19,7 @@
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -302,7 +302,7 @@ dnode_create(objset_impl_t *os, dnode_phys_t *dnp, dmu_buf_impl_t *db,
list_insert_head(&os->os_dnodes, dn);
mutex_exit(&os->os_lock);
arc_space_consume(sizeof (dnode_t));
arc_space_consume(sizeof (dnode_t), ARC_SPACE_OTHER);
return (dn);
}
@@ -337,7 +337,7 @@ dnode_destroy(dnode_t *dn)
dn->dn_bonus = NULL;
}
kmem_cache_free(dnode_cache, dn);
arc_space_return(sizeof (dnode_t));
arc_space_return(sizeof (dnode_t), ARC_SPACE_OTHER);
}
void
@@ -417,7 +417,7 @@ void
dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize,
dmu_object_type_t bonustype, int bonuslen, dmu_tx_t *tx)
{
int i, old_nblkptr;
int i, nblkptr;
dmu_buf_impl_t *db = NULL;
ASSERT3U(blocksize, >=, SPA_MINBLOCKSIZE);
@@ -447,6 +447,8 @@ dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize,
dnode_free_range(dn, 0, -1ULL, tx);
}
nblkptr = 1 + ((DN_MAX_BONUSLEN - bonuslen) >> SPA_BLKPTRSHIFT);
/* change blocksize */
rw_enter(&dn->dn_struct_rwlock, RW_WRITER);
if (blocksize != dn->dn_datablksz &&
@@ -459,6 +461,8 @@ dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize,
dnode_setdirty(dn, tx);
dn->dn_next_bonuslen[tx->tx_txg&TXG_MASK] = bonuslen;
dn->dn_next_blksz[tx->tx_txg&TXG_MASK] = blocksize;
if (dn->dn_nblkptr != nblkptr)
dn->dn_next_nblkptr[tx->tx_txg&TXG_MASK] = nblkptr;
rw_exit(&dn->dn_struct_rwlock);
if (db)
dbuf_rele(db, FTAG);
@@ -468,19 +472,15 @@ dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize,
/* change bonus size and type */
mutex_enter(&dn->dn_mtx);
old_nblkptr = dn->dn_nblkptr;
dn->dn_bonustype = bonustype;
dn->dn_bonuslen = bonuslen;
dn->dn_nblkptr = 1 + ((DN_MAX_BONUSLEN - bonuslen) >> SPA_BLKPTRSHIFT);
dn->dn_nblkptr = nblkptr;
dn->dn_checksum = ZIO_CHECKSUM_INHERIT;
dn->dn_compress = ZIO_COMPRESS_INHERIT;
ASSERT3U(dn->dn_nblkptr, <=, DN_MAX_NBLKPTR);
/* XXX - for now, we can't make nblkptr smaller */
ASSERT3U(dn->dn_nblkptr, >=, old_nblkptr);
/* fix up the bonus db_size if dn_nblkptr has changed */
if (dn->dn_bonus && dn->dn_bonuslen != old_nblkptr) {
/* fix up the bonus db_size */
if (dn->dn_bonus) {
dn->dn_bonus->db.db_size =
DN_MAX_BONUSLEN - (dn->dn_nblkptr-1) * sizeof (blkptr_t);
ASSERT(dn->dn_bonuslen <= dn->dn_bonus->db.db_size);